Problem I reconfgured the management IP address and default gateway of PS6210X whilst on site. I tested access before I left site. When I got back to the office I was unable to connect to the Group Manager although I could SSH successfully. The following error appeared: Connection to the server could not be established Read More…
Category: Equallogic
Configuring Management IP Address via Equallogic CLI
Scenario: I installed a new EQL but didn’t want to physically connect into the ISCSI network to configure the management IP addressing. An alternative is to use the CLI to configure the settings: Resolution: 1) Console to the EQL 2) Select the member you’d like to configure dr-eqlgrp01> member select dr-eql0 3) Activate the Mangement NIC. Read More…
Reset Equallogic Password via CLI
Scenario: I wanted to re-delpoy a standalone Equallogic 6210X but had neither the password or even the IP address of the device Resolution: Steps 1) Console on the Equallogic and powercycle the device 2) Press CTRL+P on boot 3) Use the following commands: EQL> setenv RESETPASSWORD 1 EQL> reload This should reset the password back to Read More…
Critical Hardware Component Failure. C2F Power Module Has Insufficient Hold Time
Problem: A Dell Equallogic 6100X threw an alert via email. Upon logging into the GUI I could see secondary controller was showing a battery fail and the error : Severity Date and Time Member ID Message Read More…
Updating Equallogic Firmware via CLI
Below is an output from the Equallogic firmware update process from 7.1.14 to 8.1.6. In this example I will be using FTP to transfer the file (kit_V8.1.6-R427114_2004107431.tgz) to the member (not group) and updating via the CLI Group name: btn-eqlbackup-g1 (192.168.74.230) Member name: BTN-EQL6000E-BP1 (192.168.74.231) 1) FTP firmware to member Read More…
Single LUN Inactive on One Host
Scenario: I have 7 hosts connecting to an Equallogic Group (2 x 6000s). There are 3 LUNs visible to each host and locked down to specific ISCI IP range. ( eg 172.17.16.0/24). All 6 hosts could see all 3 luns but one 1 host could only see 2 of the 3 LUNs available. The protocol is Read More…
iSCSI Storage in VMware – A Quick Overview
Today I will be writing a very brief overview on iSCSI storage and how it fits into a VMware environment. In this example I will be referring to a small cloud I have set up using a 3 host ESXi (5.1) cluster which connects to an Equallogic SAN using a software initiator. What is iSCSI? iSCSI encapsulates Read More…
UNMAP – Reclaim Space on Equallogic via VMware Datastores
Scenario: We have a 2TB LUN thin provisioned on an Equallogic group. This is is used for a VMFS5 datastore on an ESXi 5.1 cluster. We were getting warnings from the SANs LUN is over our warning threshold. However, VMWare was reporting nowhere near that limit. Using the UNMAP facility available in ESXi 5.0u1 + we are Read More…
Equallogic Load Balancing
A have written a very brief overview of the techniques Equallogic use for load balancing in a storage pool. These can be split into 3 different components: 1) NLB – Network Load Balancer Depending on network load, Equallogic can redistribute ISCSI connections across Ethernet ports. This is accompolished automatically by using an inbuilt feature of iSCSI called redirection. The Read More…
Flash LEDs on Equallogic via CLI
If you want to flash the LEDs on an Equallogic array whilst plugged into the Serial port (or via SSH/Telnet) then run these commands When on the CLI: # member show This will output the member(s) information Name Status Version Disks Capacity FreeSpace Connections ——————– ——- Read More…
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